Note: Due to original recording: distortion at times, ends abruptly.
James R. Page presides over the ceremony and introduces Dr. Bush and Dr. Bowen. Starts and ends abruptly in mid-sentence. Speakers in order of appearance: Lee Alvin DuBridge, President of California Institute of Technology, followed by Vannevar Bush, President of the Carnegie Institute of Washington at 16:35 "Two Observatories Operate as One", and Ira S. Bowen, Director of the Carnegie Observatories at 30:00 "The Telescope at Work". Palomar Observatory is among the most iconic scientific facilities in the world and has been in continuous scientific operation since the mid-30s. Palomar is most directly the vision of George Ellery Hale (1868-1938).
For additional information see
California Revealed.